function centerPop(theURL,theName,width,height) {

	x = (window.screen) ? (window.screen.availWidth - width)/2 : (640 - width)/2 ;
	y = (window.screen) ? (window.screen.availHeight - height)/2 : (480 - height)/2 ;

	popupWin = window.open(theURL,theName,'toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width='+width+',height='+height+',screenX='+x+',screenY='+y+',top='+y+',left='+x);
	popupWin.focus();
}
// FUNCTION CALL: onClick="centerPop('popup.html','win','200','200')"



function offCenterPop(theURL,theName,width,height,scroll) {

	x = (window.screen) ? (window.screen.availWidth - width)-20 : (640 - width)-20 ;
	y = (window.screen) ? (window.screen.availHeight - height)/2 : (480 - height)/2 ;
	
	scroll = (scroll) ? 'scrollbars=yes,' : 'scrollbars=no,' ;	
	
	popupWin = window.open(theURL,theName,'toolbar=no,location=no,status=no,menubar=no,resizable=no,'+scroll+'width='+width+',height='+height+',screenX='+x+',screenY='+y+',top='+y+',left='+x);
	popupWin.focus();
}
// FUNCTION CALL: onClick="centerPop('popup.html','win','200','200',true)"